/* flicktrainer.com — design system
   High-contrast, game-like dark theme. System sans-serif stack (zero external font requests). */

:root {
  --bg: #0a0e14;
  --bg-raised: #131924;
  --bg-inset: #080b10;
  --border: #232b3a;
  --border-soft: #1a2029;
  --text: #eaeef4;
  --text-dim: #93a1b7;
  --text-faint: #5a6577;
  --accent: #ff4655;
  --accent-dim: #c8323f;
  --accent-contrast: #1a0507;
  --accent2: #00e5ff;
  --good: #39ff88;
  --danger: #ff5f56;
  --focus: #7cc6ff;
  --radius: 8px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --maxw: 1180px;
}

:root[data-theme="light"] {
  --bg: #f3f4f7;
  --bg-raised: #ffffff;
  --bg-inset: #e7e9ee;
  --border: #d5d9e0;
  --border-soft: #e2e5ea;
  --text: #12151b;
  --text-dim: #4c5563;
  --text-faint: #8992a3;
  --accent: #e11d2e;
  --accent-dim: #b7141f;
  --accent-contrast: #ffffff;
  --accent2: #0089a8;
  --focus: #0a6cbf;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f4f7;
    --bg-raised: #ffffff;
    --bg-inset: #e7e9ee;
    --border: #d5d9e0;
    --border-soft: #e2e5ea;
    --text: #12151b;
    --text-dim: #4c5563;
    --text-faint: #8992a3;
    --accent: #e11d2e;
    --accent-dim: #b7141f;
    --accent-contrast: #ffffff;
    --accent2: #0089a8;
    --focus: #0a6cbf;
  }
}

* { box-sizing: border-box; }
html { color-scheme: dark light; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 8px 12px;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

button, select, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 8px 12px;
  transition: border-color .12s ease, background .12s ease, color .12s ease;
}
button:hover { border-color: var(--accent-dim); color: var(--accent); }
button:focus-visible, a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
}
button.primary:hover { color: var(--accent-contrast); filter: brightness(1.1); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.icon-btn { padding: 6px 10px; font-size: 13px; }

label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 6px; }
.field { margin-bottom: 14px; }

/* ---------- layout shell ---------- */
.site-header {
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(8px);
  z-index: 20;
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
}
.brand-mark .accent-word { color: var(--accent); }
.crosshair-mark { color: var(--accent); font-size: 16px; }
.brand-tag { color: var(--text-faint); font-size: 12px; display: none; }
@media (min-width: 640px) { .brand-tag { display: inline; } }

.header-actions { display: flex; align-items: center; gap: 8px; }

main { max-width: var(--maxw); margin: 0 auto; padding: 24px 20px 60px; }
#screen-game, #screen-game main { max-width: none; }

.container-narrow { max-width: 720px; margin: 0 auto; padding: 40px 20px 60px; }
.container-narrow h1 { font-size: 22px; }
.container-narrow h2 { font-size: 16px; margin-top: 32px; }
.container-narrow p, .container-narrow li { color: var(--text-dim); }

.faq-item { margin-bottom: 18px; }
.faq-item h3 { font-size: 15px; margin: 0 0 6px; }
.faq-item p { margin: 0; color: var(--text-dim); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 28px 0 28px; }
.hero h1 {
  font-size: clamp(24px, 4.2vw, 38px);
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}
.hero p { color: var(--text-dim); margin: 0; font-size: 15px; }
.hero .trust-line {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--text-faint);
}
.hero .trust-line .dot { color: var(--accent); margin: 0 8px; }

/* ---------- panels ---------- */
.panel {
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 20px;
  max-width: 520px;
  margin: 0 auto;
}
.panel h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-faint);
  margin: 0 0 14px;
}
.panel + .panel { margin-top: 20px; }
.results-panel, .history-panel { max-width: 640px; }

/* ---------- segmented controls ---------- */
.segmented { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.segmented button {
  flex: 1; border: none; border-radius: 0; background: var(--bg-inset);
  border-right: 1px solid var(--border);
}
.segmented button:last-child { border-right: none; }
.segmented button[aria-pressed="true"] { background: var(--accent); color: var(--accent-contrast); font-weight: 700; }
.segmented--lg button { padding: 12px; font-size: 15px; }

/* ---------- setup screen ---------- */
.setup-panel { text-align: left; }
.best-row {
  display: flex;
  gap: 12px;
  margin: 18px 0 4px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.best-stat { flex: 1; text-align: center; }
.best-stat-label { display: block; font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.best-stat-val { display: block; font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--accent2); }

.start-btn { width: 100%; padding: 14px; font-size: 16px; margin-top: 18px; border-radius: var(--radius); }

/* ---------- game screen ---------- */
.game-hud {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.hud-stat { display: flex; flex-direction: column; min-width: 64px; }
.hud-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); }
.hud-val { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
#hud-primary-val { color: var(--accent); }
.quit-btn { margin-left: auto; }

.game-area {
  position: relative;
  height: calc(100dvh - 130px);
  min-height: 360px;
  margin: 0 12px 12px;
  border-radius: 16px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--accent) 4%, transparent), transparent 60%),
    repeating-linear-gradient(0deg, var(--border-soft) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, var(--border-soft) 0 1px, transparent 1px 40px);
  background-color: var(--bg-inset);
  border: 1px solid var(--border);
  cursor: crosshair;
  touch-action: none;
  outline: none;
}

.target {
  position: absolute;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 35% 32%, color-mix(in srgb, var(--accent) 55%, white 15%), var(--accent) 55%, var(--accent-dim) 100%);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent), 0 4px 18px color-mix(in srgb, var(--accent) 35%, transparent);
  border: none;
  cursor: crosshair;
  padding: 0;
  transition: width .06s linear, height .06s linear, opacity .1s ease;
}
.target::after {
  content: "";
  position: absolute;
  inset: 28%;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-contrast) 70%, transparent);
  opacity: .55;
}
.target:hover { border: none; color: inherit; }
.target.hit {
  animation: target-hit .16s ease forwards;
}
@keyframes target-hit {
  to { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}
.miss-flash {
  position: absolute;
  transform: translate(-50%, -50%);
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
  pointer-events: none;
  animation: miss-fade .5s ease forwards;
}
@keyframes miss-fade {
  from { opacity: 1; transform: translate(-50%, -50%) translateY(0); }
  to { opacity: 0; transform: translate(-50%, -50%) translateY(-18px); }
}

/* ---------- results screen ---------- */
.hero--results { padding-top: 12px; }
.rating-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 24px;
}
.rating-tier { font-size: 30px; font-weight: 800; color: var(--accent); }
.rating-label { font-size: 16px; color: var(--text-dim); font-weight: 600; }
.rating-compare { max-width: 480px; margin: 14px auto 0; color: var(--text-dim); font-size: 13.5px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 480px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
.stat-tile {
  background: var(--bg-inset);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.stat-label { display: block; font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.stat-val { display: block; font-size: 19px; font-weight: 700; font-variant-numeric: tabular-nums; }

.new-best-flag {
  margin-top: 14px;
  text-align: center;
  background: color-mix(in srgb, var(--good) 15%, var(--bg-inset));
  border: 1px solid var(--good);
  color: var(--good);
  font-weight: 700;
  font-size: 13px;
  padding: 8px;
  border-radius: var(--radius);
}

.history-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 56px;
  padding: 4px 2px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}
.history-bar {
  flex: 1;
  background: var(--accent2);
  border-radius: 3px 3px 0 0;
  min-height: 3px;
}
.history-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.history-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--bg-inset);
}
.history-list .h-mode { color: var(--text); font-weight: 600; }
.history-list .h-empty { justify-content: center; color: var(--text-faint); }

/* ---------- misc ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.notfound-crosshair { font-size: 64px; color: var(--accent); margin-bottom: 4px; }

/* ---------- screens ---------- */
.screen { display: block; }
.screen[hidden] { display: none; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 12.5px;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); }

::selection { background: var(--accent); color: var(--accent-contrast); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-inset); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }